采用长周期光纤光栅均衡滤波器，设计出了光纤长周期光栅（LPG）均衡光纤宽带放大器，并进行了模拟计算。
With the equalizing filter made by long period grating(LPG), we design the flat gain spectra of EDFA.
以单片机MSP430F 449为控制核心，设计了一个5 V单电源供电的低噪声宽带放大器。
Using microcontroller MSP430F449 as the operation core, a low noise wideband amplifier provided with 5v single power supply is designed.
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